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Therapeutic vaccination in patients with chronic hepatitis C genotype 1 using four courses of 8 + 6 + 6 + 6 intramuscular injections of 50 µg E1y at 3 week intervals: a multicenter, 3:1 randomized, double-blind, placebo-controlled, parallel-group study over 157 weeks in 122 patients

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN71794661
Enrollment
122
Registered
2005-09-30
Start date
2004-01-09
Completion date
Unknown
Last updated
2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic hepatitis C (genotype 1). Infections and Infestations Hepatitis

Interventions

This is a prospective, 3:1 randomized, multicenter, double-blind, placebo-controlled, parallel-group study of four courses of 8 + 6 + 6 + 6 IM injections of 50 µg E1y over 157 weeks in 122 genotype 1

Sponsors

Innogenetics NV (Belgium)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Male and female patients 18 to 70 years old with compensated chronic hepatitis C genotype 1 infection 2. Female patients of childbearing potential should use an efficient method of contraception 3. Patients should either have failed to respond to interferon (IFN)-based therapy or have contraindications to IFN-based therapy or have decided not to start IFN-based treatment (after having been well informed)

Exclusion criteria

Exclusion criteria: 1. Prior (within last 3 months) or planned concomitant use of other hepatitis C treatment, immunosuppressive, or hepatotoxic treatment 2. Malnutrition or severe medical conditions or medical conditions associated with immunosuppression, including end stage renal failure or cancer 3. Severe symptomatic cryoglobulinemia, active autoimmune hepatitis, uncontrolled diabetes, or uncontrolled thyroid disease 4. HIV infection, active hepatitis B infection 5. Alcohol or intravenous drug abuse during the last year 6. Ongoing medical condition associated with chronic liver disease other than hepatitis C

Design outcomes

Primary

MeasureTime frame
Liver histology (Ishak score) difference from baseline.

Secondary

MeasureTime frame
1. Other histology assessments 2. Virological, immunological, and biochemical responses 3. Quality of life 4. Safety evaluation

Countries

Belgium

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026